Alcatel-Lucent 1850 TSS-100 Manuale utente

Alcatel-Lucent

1850 TSS-100

Transport Service Switch

Alcatel-Lucent 1850 TSS-1002

The Alcatel-Lucent 1850 Transport Service Switch

(TSS)-100, a new class of multiservice transport

platform for metro-core and regional applications,

supports any mix of trafﬁc, from all-circuit to all-

packet. This universal switch uniquely addresses

the transition from TDM/circuit to packet transport,

eliminating the problems encountered when tra-

ditional platforms face data-trafﬁc increases. The

functional versatility of the 1850 TSS-100 allows

operators to support current network demands,

while positioning their infrastructure for the future

growth in advanced service delivery and trafﬁc.

Alcatel-Lucent 1850 TSS-100 3

Transforming transport networks

To stay proﬁtable, operators must focus on new revenue-generating services

while carefully controlling their cost structures. At the same time, new band-

width-hungry services, such as triple play and Ethernet virtual private networks

(VPNs), are redeﬁning the underlying transport-infrastructure requirements.

These changes are driving the move from circuit-based transport, using TDM,

to packet-based transport, using Ethernet in MANs and WANs.

Driven by end-user demand for new services, operator network capacity is

growing rapidly, with these networks transporting a wide variety of trafﬁc.

Operators all need to assess how their existing metro and core networks will

accommodate trends and transitions in trafﬁc patterns.

The new-services introduction is probably the most critical factor to an operator’s

success. The increasing demand for bandwidth to deliver new services is not

reﬂected in comparable increases in revenue, presenting a signiﬁcant business

challenge. The Alcatel-Lucent 1850 TSS-100 helps operators maximize their

proﬁtability by transporting any service mix while keeping tight control on costs.

Alcatel-Lucent 1850 TSS-1004

Multitechnology support with the 1850 TSS-100

Figure 1. Potential mix of carrier transport technologies

Universal

switch

Universal

switch

Packet card

TDM card

OC-192

OC-3

DS1

OC-192

Any trafﬁc mix 100% packet100% circuit

10 GigE

GigE

FE 10 GigE

Photonic

card

Universal

switch

SONET model MSTP model Carrier Ethernet

transport model

The 1850 TSS-100 is a multiservice

transport platform that supports

any mix of trafﬁc, from all-circuit

to all-packet. Its unique, technology-

independent universal matrix switches

packets or circuits in their native for-

mat and transports them as they are,

optimizing overall network efﬁciency

and applicability. This capability al-

lows operators to address transitioning

from TDM/circuit-based transport

to packet transport with the ﬂexible

provisioning of carrier Ethernet/trans-

port, SONET, wavelength division

multiplexing (WDM) and optical

transport networks (OTNs).

The 1850 TSS-100 supports current

and future trafﬁc requirements by

eliminating the scalability issues

encountered by traditional multiser-

vice provisioning platform (MSPP)/

multiservice transport platform (MSTP)

solutions. The 1850 TSS-100 is the

ideal building block for evolving trans-

port networks, allowing operators to

ﬂexibly split increasing trafﬁc demands

among any combination of carrier

transport technologies. See Figure 1.

Alcatel-Lucent 1850 TSS-100 5

The universal switch

The Alcatel-Lucent 1850 TSS-100 offers operators a

powerful tool for operating future-safe transport networks,

with total freedom in planning network resources to support

the delivery of new broadband applications such as triple

play, video, mobile and Ethernet business services. It also

ensures seamless interworking with the legacy transport

assets that support existing revenues, while fully addressing

the optical-packet transport convergence, as demanded by

operators. This offers the following advantages:

•SupportsanymixofEthernet,TDM,WDM,OTNand

future services with only a simple change of interface

cards, eliminating the need for future switch investments

as new services or protocols emerge.

•Offersatechnology-independentuniversalswitch,

capable of switching packets or circuits in their native

format and transporting them as they are, without costly

mapping of circuits into packets or packets into circuits.

The universal switch provides scalable switching capacity

regardless of the trafﬁc type.

•Deliverstechnology-dependentlinecards,packet,circuit

or wavelength, where trafﬁc is properly processed according

to its native format. The line cards provide native

trafﬁc processing.

•Eliminates,byinnovativelydemarkingbetweentrafc

processing and trafﬁc switching, the cost penalties

traditional transport-node architectures incur with

their technology-dependent processing performed in

the switch (matrix). Packet and TDM trafﬁc processing

resides on the relevant line cards, allowing gradual

investment to meet growing trafﬁc requirements.

The concept of a single transport-aggregation platform

is a breakthrough in operator networking. Instead of

investing in several network layers to provide the required

service mix, operators can now choose one platform

that delivers all services. By deploying the 1850 TSS-100

as a uniﬁed transport platform supporting any mix of

services, operators can:

•Simplifynetworkoperations,signicantlyreducing

operating expenditures (OPEX) and increasing the

network ﬂexibility and scalability

•Lowertheriskofcapitalexpenditures(CAPEX)invest-

ments that may vary over time, depending on service-

demand changes

•Shortentime-to-revenuefornewservices

Alcatel-Lucent 1850 TSS-1006

Migrating to a packet

transport network

Leveraging its universal, open architecture, the 1850 TSS-100

allows operators to migrate their transport networks from

all-circuit to all-packet. It integrates a full set of SONET

features to support traditional transport-network architec-

tures and to interwork with a large, existing installed base

of equipment.

In addition, the platform supports transport packet switching,

such as packet Operations, Administration, Maintenance

and Provisioning (OAM&P), and integrated G.709 Optical

Transport Hierarchy (OTH) trunk cards. The 1850 TSS-100

provides a cost-effective solution for implementing resilient

metro and aggregation networks. This solution uniquely

transitions from TDM/circuit to packet transport by smoothly

migrating toward the delivery of packet-based services,

maximizing return on investment over the network lifecycle.

The 1850 TSS offers Fast Ethernet (FE) and Gigabit

Ethernet (GigE) interfaces for interconnecting with

customer equipment or operator access equipment, deliv-

ering carrier-class circuit and packet services. It also sup-

ports stacked unidirectional path-switched rings (UPSRs)

and bidirectional line-switched rings (BLSRs), with non-

blocking aggregation and TDM trafﬁc switching, or Layer

2 Switched Ethernet. These features offer cost-effective

solutions for implementing resilient metro and aggregation

networks and switched Ethernet-to-Ethernet.

Alcatel-Lucent 1850 TSS-100 7

CombiningcircuitandpacketinterfacesandusingEthernet-

based trafﬁc management, the 1850 TSS-100 supports

multiple Quality of Service (QoS) levels to provide a

migration path toward the delivery of advanced packet-

based services. It also ensures a smooth network evolution

by enabling hybrid networks with totally ﬂexible resource

allocation between circuit and packet data services while

fulﬁlling the roles of traditional MSPP/MSTP platforms.

Offering user-centric

broadband services

The 1850 TSS-100 universal-transport platform allows

for next generation services:

•Ethernet business services – Ethernet-line (E-line)

and Ethernet-LAN (E-LAN)

•Triple play – large-scale Ethernet aggregation

•Mobile backhaul – Ethernet and TDM native support

for mobile second-generation mobile system/third-

generation mobile system/Worldwide Interoperability

for Microwave Access (2G/ 3G/WiMAX)

•Carrier-to-carrier services – packet/TDM/lambda (λ)

•Mission-critical services – Government, research,

TV broadcasters, energy, utilities and transportation

Alcatel-Lucent 1850 TSS-1008

Figure 2. Triple play over optical

3G mobile access

Business access

WiMAX

EdgeAggregation

Core transport

SONET

Ethernet/

WDM

SONET

Ethernet/

WDM Metro

transport

Radio core

network

IP/MPLS

OC-n

FE/GE

DS1

FE/GE

OC-192

GigE

GGSN

1850 TSS-100

Enterprise

Corporate

Service router

Storage

PSTN

MSC

RNC

Node B

Multiservice node

1671 SC

SGSN

Triple play over optical

Introducing triple-play services establishes new broad-

band-aggregation infrastructure requirements for both

scalability and the speed of service rollout. To meet these

goals, many operators are introducing Ethernet into their

broadband-access infrastructures. This allows network op-

erators to progressively integrate their triple-play services

into a uniﬁed and homogeneous environment.

The 1850 TSS-100 can efﬁciently provide distributed

broadband service aggregation and transport toward the

broadband service routers. It is a uniﬁed transport plat-

form, offering ﬂexible support when transitioning from

legacy transport to Ethernet. The uniﬁed aggregation

platform supports any multiservice business model and

protects infrastructure investments.

When distributing video, it is important to broadcast

these services from the last possible point in the network

to avoid duplicating service costs inside the network. With

a dedicated Ethernet network or a multiservice network,

the multicast can be done efﬁciently at either the TDM

or Ethernet level. The 1850 TSS-100 can use a combina-

tion of distributed Layer 2 and TDM Switching, depend-

ing on the option that suits the provider’s requirements

and minimizes costs (see Figure 2).

Alcatel-Lucent 1850 TSS-100 9

Supporting business services

Enterprises are increasing their use of high-bandwidth

applications and they are more frequently interconnecting

LANs and data centers within a metro area. To address

this market, operators need scalable, carrier-class solutions

that offer operators guaranteed QoS levels, support for

differentiated SLAs and customer separation. Operators

can build either dedicated Ethernet networks or multiservice

networks able to provide other services through the same

networking platform. The 1850 TSS-100 supports both of

these models.

Wireless network trafﬁc is increasing signiﬁcantly with

growth in subscriber usage and the introduction of new,

wireless data services, such as video telephony, music, Internet

surﬁng and live television, along with video-on-demand

(VoD). Price-based competition makes proﬁtable growth

a challenge. Nevertheless, operators are forced to invest

in new infrastructure to serve their customers’ needs. Should

they expand with TDM technology for more capacity now

and worry about strategically evolving to 3G and all-IP

later, or can they expand innovatively, making the net-

work better now, while anticipating future requirements?

The 1850 TSS-100 helps operators introduce new business

services, either by leveraging the installed base, or by

introducing a single platform to replace multiple tradi-

tional systems. In both instances, providing a fully ﬂexible

and reliable transport platform that meets today’s growth

requirements for both Ethernet- and TDM-based trafﬁc

opens the door for a strategic move toward an IP-based

infrastructure.

Alcatel-Lucent 1850 TSS-10010

Network management

Operators need to focus on the service, rather than the technology, where it is used, how the

network scales and how complex it is. By migrating from a technology-based network management

model to a service-oriented one, the complexity of managing services is greatly reduced. Alcatel-

Lucent offers two management platforms for operators, depending on their network requirements

and planned evolution: the Alcatel-Lucent 1350 Open Media Suite (OMS) and the Alcatel-Lucent

1340IntegratedNetworkController(INC).

The 1350 OMS management suite eliminates the need to deploy multitechnology element and network

managementsystems,reducingCAPEXandOPEX.Itoffersahighlymodulararchitecturetoproperly

match operator requirements. It also:

•Simpliespresentationofamultitechnologynetworktotheuser

•Deliversfuture-safe,scalableplatformthatcanbeextendedasthenetworkanditsservicesgrow

•Offerssinglepoint-of-alarmcollection,withallnetworkmanagementinformationavailableon

a single platform with a single login procedure

The1340INCisaleading-edge,single-platformnetworkmanagementsystemforbothAlcatel-Lucent

transportnetworksandmultivendorenvironments.Capableofsupportingnext-generationandlegacy

equipment,the1340INCmakesthetransportnetworktransparenttooperatorsthroughasimplied

view from a single Graphical User Interface (GUI). It also:

•Providesend-to-endcircuit,faultandperformancemanagement

•Extensivelyreportsdata,includingcardinventory,usage,utilizationandhistoricalreports

•SimpliesoperationswithasingleGUIforSONET,Ethernet,MSPP,ATM/FrameRelay,

datacircuitsynchronous(DCS)andopticaldevices

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